Tank 1221317 — North Liberty, IA
ConstructedFCC Antenna Structure Registration 1221317 — tank near North Liberty, Iowa. Antenna on a water tank or similar vessel.
At a glance
FCC Antenna Structure Registration 1221317 is a 49 m (160 ft) tank near North Liberty, Johnson County, Iowa. Its registration status is constructed, with construction recorded on Feb 19, 2001. It is registered to ARRAY DIGITAL INFRASTRUCTURE, INC., which holds 4,591 FCC structure registrations.
Registration record
FCC record
| Field | Value |
|---|---|
| Registration number (ASRN) | 1221317 |
| Unique system identifier | 2619060 |
| Status | Constructed (C) |
| Structure type | Tank (TANK) |
| Date constructed | Feb 19, 2001 |
| Registration issued | Aug 26, 2025 |
Aviation safety
FAA & lighting
| Field | Value |
|---|---|
| FAA study number | 00-ACE-1680-OE |
| FAA circular | — |
| Painting / lighting spec | NONE |
| Marking / lighting code | None (1) |
The painting/lighting specification is copied as filed: the FAA marking and lighting chapters and paragraphs cited in the ASR record. The marking/lighting code is decoded using the FCC registration form's code list.
Registered owner
ARRAY DIGITAL INFRASTRUCTURE, INC.
Chicago, IL · FRN 0004372322
Holds 4,591 FCC structure registrations — view the full portfolio →
Location
- Address
- Intersection of N Main St. and Cherry St.
- City
- North Liberty
- State
- Iowa
- ZIP
- 52317
- County
- Johnson County
- County FIPS
- 19103
- Coordinates
- 41.74850, -91.59878
Within ~40 km
Nearby structures
Unspecified structure · Constructed
Guyed tower · Constructed
Tower (type not specified) · Constructed
Tower (type not specified) · Constructed
Tower (type not specified) · Constructed
Tower (type not specified) · Constructed
How tall is structure 1221317 compared with others?
At 49 m, structure 1221317 is about 13% below the 56 m average across the 129 structures registered in Johnson County. It is about 38% below the Iowa average of 79 m across 4,131 registrations. Among the 1,099 registrations nationwide filed under the same structure-type code (TANK), the average overall height is 43 m, so this one is about 12% above that figure.
The supporting structure itself measures 44 m; antennas and other appurtenances on top bring the overall height above ground to 49 m. The site's filed ground elevation is 235 m, which puts the top of the structure 284 m above mean sea level.
Where is structure 1221317, and what is registered around it?
The registration places the structure near North Liberty in Johnson County, Iowa, at coordinates 41.74850, -91.59878, with the site address filed as "Intersection of N Main St. and Cherry St.". Johnson County has 129 FCC-registered antenna structures, the 2nd-largest count among the 99 Iowa counties with registrations, and 89 of them are marked constructed. Iowa as a whole has 4,131 registrations, the 20th-largest total among the 50 states and DC.
The tallest other registered structure within about 40 km is West Branch, IA · 1062919, a structure at 444 m (constructed).
What does the status "Constructed" mean?
Constructed means the owner has notified the FCC that construction is complete, so the registry treats the structure as standing. The FCC issued registration 1221317 on Aug 26, 2025. Nationally, 141,898 of the 197,833 registrations (71.7%) carry the constructed status, including 3,266 in Iowa.
Who owns antenna structure 1221317?
The FCC record lists ARRAY DIGITAL INFRASTRUCTURE, INC. of Chicago, IL as the registered owner, under FCC Registration Number 0004372322. Across the registry it holds 4,591 structure registrations, the 4th-largest portfolio among the 7,865 owners with two or more, including 678 in Iowa. Its most common filed structure-type code is LTOWER (2,087 registrations).
What FAA and lighting details are on file?
The registration cites FAA aeronautical study 00-ACE-1680-OE, the FAA review of the structure's effect on air navigation. Its marking and lighting code, 1, is listed on the FCC registration form as "None".
Frequently asked questions
How tall is antenna structure 1221317?
Its registered overall height above ground is 49 m (160 ft), and 284 m (930 ft) above mean sea level.
Who owns tower 1221317?
The registered owner is ARRAY DIGITAL INFRASTRUCTURE, INC., which holds 4,591 FCC antenna structure registrations.
Where is antenna structure 1221317?
It is located near North Liberty, Johnson County, Iowa at Intersection of N Main St. and Cherry St. (41.74850, -91.59878). Its status is constructed; it was constructed on Feb 19, 2001.
What type of structure is 1221317?
It is filed with the FCC under structure-type code TANK, which decodes to "Tank". Antenna on a water tank or similar vessel. 1,099 registrations nationwide use the same code.
How many antenna structures are registered in Johnson County, IA?
Johnson County has 129 FCC-registered antenna structures, 89 of them constructed — the 2nd-largest count among 99 counties in Iowa.
Related pages
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Dataset updated . Source: FCC Antenna Structure Registration 1221317, weekly bulk file.
About this data
Source: FCC Antenna Structure Registration (ASR) database, as published October 20, 2026 — TowerCensus refreshes it weekly. See the methodology for how records are matched, cleaned and scored.
Cite as: TowerCensus, “Antenna structure 1221317, North Liberty, Johnson County, Iowa”, https://towercensus.com/towers/iowa/north-liberty-1221317 (data as of October 20, 2026).